(Solved): Part B (1 point) The table below shows the Consumer Price index (CPI) for eSwatini since 1980. Yea ...

(1 point) The table below shows the Consumer Price index (CPI) for eSwatini since 1980. $$\begin{array}{cc}\text{ Year }& \text{ CPI }\\ 1980& 40.28\\ 1985& 50.02\\ 1990& 59.59\\ 1995& 69.89\\ 2000& 77.11\\ 2005& 100.1\end{array}$$ (a) Find a linear regression model (using Desmos or Excel) for the CPI, is $$y$$ represents the $$\mathrm{CPI}$$ and $$\mathrm{x}$$ is the the number of years since 1980 . $$\mathrm{y}=$$ (b) Predict the CPI in 2059